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LT1990CS8 Datasheet(PDF) 5 Page - Linear Technology |
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LT1990CS8 Datasheet(HTML) 5 Page - Linear Technology |
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5 / 16 page  LT1990 5 1990f 3V/5V ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the temperature range of –40°C ≤ TA ≤ 85°C. VS = 3V, 0V; VS = 5V, 0V; RL = 10k, VCM = VREF = half supply, G = 1, 10, unless otherwise noted. (Notes 4, 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Minimum Supply Voltage Guaranteed by PSRR ● 2.7 V IS Supply Current (Note 8) ● 170 µA VOL Output Voltage Swing LOW –IN = V+, +IN = Half Supply (Note 8) ● 70 mV VOH Output Voltage Swing HIGH –IN = 0V, +IN = Half Supply VS = 3V, 0V, Below V+ ● 200 mV VS = 5V, 0V, Below V + ● 225 mV ISC Output Short-Circuit Current Short to GND (Note 9) ● 2mA Short to V+ (Note 9) ● 8mA ±15V ELECTRICAL CHARACTERISTICS VS = ±15V, RL = 10k, VCM = VREF = 0V, G = 1, 10, TA = 25°C, unless otherwise noted. (Note 6) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS G Gain Pins 5 and 8 = Open 1 Pins 5 and 8 = VREF 10 ∆G Gain Error VOUT = ±10V LT1990, G = 1 0.4 0.6 % LT1990A, G = 1 0.07 0.28 % G = 10 0.2 0.8 % GNL Gain Nonlinearity VOUT = ±10V G = 1 0.0008 0.002 % G = 10 0.005 0.02 % VCM Input Voltage Range Guaranteed by CMRR –250 250 V CMRR Common Mode Rejection Ratio, RTI VCM = –250V to 250V LT1990 60 68 dB LT1990A 70 75 dB VOS Offset Voltage, RTI G = 1, 10 0.9 5.2 mV en Input Noise Voltage, RTI fO = 0.1Hz to 10Hz 22 µVP-P Noise Voltage Density, RTI fO = 1kHz 1 µV/√Hz RIN Input Resistance Differential 2 MΩ Common Mode 0.5 MΩ PSRR Power Supply Rejection Ratio, RTI VS = ±1.35V to ±18V 82 100 dB Minimum Supply Voltage Guaranteed by PSRR ±1.2 ±1.35 V IS Supply Current 140 180 µA VOUT Output Voltage Swing ±14.5 ±14.79 V ISC Output Short-Circuit Current Short to V– 69 mA Short to V+ 15 22 mA BW Bandwidth G = 1 105 kHz G = 10 7 kHz SR Slew Rate G = 1, VOUT = ±10V 0.3 0.55 V/µs Settling Time to 0.01% 10V Step, G = 1 60 µs AVREF Reference Gain to Output 1 ± 0.0007 |
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